| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 16 |
2.2%
|
| 1 | Yes, fully | 358 |
50.2%
|
| 2 | Yes, partially | 98 |
13.7%
|
| 3 | No | 241 |
33.8%
|